Add 50/70 and 80/20
1st number: 50/70, 2nd number: 4 0/20
50/70 + 80/20 is 33/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
50/70 = 50 × 2/70 × 2 = 100/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
80/20 = 80 × 7/20 × 7 = 560/140 - Add the two like fractions:
100/140 + 560/140 = 100 + 560/140 = 660/140 - 660/140 simplified gives 33/7
- So, 50/70 + 80/20 = 33/7
In mixed form: 45/7
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